답변 있음
How to make the negative sign of y axis to be up ?
ydata = -900:100:100 xdata = ydata.*ones(1,length(ydata)) plot(xdata,ydata) yticks = ydata; yticklabels(fliplr(yticks))

7개월 전 | 0

문제를 풀었습니다

Acidity of vinegar and salts
Assuming: pH (potentia hydrogenii) = - log10(H+ ionic concentration in mol/Liter). For a buffer solution containing acetic acid ...

9개월 전

문제를 풀었습니다

Volume of this donut
Given hole diameter a, and outermost diameter b, determine the volume y of the resulting donut.

9개월 전

문제를 풀었습니다

Size of this cup?
The given vector has diameter of the cup in mm sampled at micrometer increments in depth from top to bottom, need output in cc a...

9개월 전

문제를 풀었습니다

Finding perimeter of a rectangle
A rectangle has a length of x centimeters and a width of w centimeters. Find the perimeter.

9개월 전

문제를 풀었습니다

area of an annulus
Given the diameter d of the inner circle of the annulus. Given length z of a chord of the outer circle of the annulus. This chor...

9개월 전

문제를 풀었습니다

expand intervals vol.2
Similar to problem <http://www.mathworks.co.uk/matlabcentral/cody/problems/2528 2528>. This is a more general case, when bounds ...

9개월 전

문제를 풀었습니다

Time Expansion
How can you slow down any discrete-time signal? Example Input original signal x. x = [1 2 3 -1 -2 -5 -4] We want t...

9개월 전

답변 있음
Incorrect dimensions for matrix multiplication
k = @(t,u) (k0 + (p*k0.^u-q*k0).*t +(p*k0.^u-q*k0).*(p*u*k0.^u-q).*t.^2/factorial(2)... +(p*k0.^u-q*k0).*((p*u.*k0.^u-q)....

9개월 전 | 0

| 수락됨

답변 있음
how to get variable of function in for loop
x = 1:20; y = 1:13; f = []; for i = 1:length(x), for j = 1:length(y); f(i,j) = x(i).^2 - x(i) -2*y(j).^2 + y(j) -2...

9개월 전 | 0

문제를 풀었습니다

Convert Kilometers to Miles
Convert kilometers to miles. Consider 1 km = 0.62 mile. Note: Don't use the '*' operator.

9개월 전

문제를 풀었습니다

Create an anti-identity matrix
Create an anti-identity matrix of given dimension. Examples n = 2 A = [0 1; 1 0] n = 3 A = [0 0 1; 0 1 0; 1 0 0...

9개월 전

문제를 풀었습니다

Sort the vector with the given index
Given x = [1 2 4 8 17] and t = [1 3 2 5 4] then y = [1 4 2 17 8].

9개월 전

문제를 풀었습니다

middleAsColumn: Return all but first and last element as a column vector
Given input A, return all but the first and last elements, arranged as a column vector. (I.e., all dimensions after the first s...

9개월 전

문제를 풀었습니다

What number has this problem?
This problem is added because it is problem number *???* in the "Community" problems section. <http://www.mathworks.de/matlab...

9개월 전

문제를 풀었습니다

Back to basics 9 - Indexed References
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix and row and column, output the index of th...

9개월 전

문제를 풀었습니다

Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

9개월 전

문제를 풀었습니다

Switch matrix to a column vector
for e.g. x = [1 2 3 4] y = 1 3 2 4

9개월 전

문제를 풀었습니다

Generate a NaN...on purpose
The goal is to create a function that will return a single "NaN" without using the nan function. I am interested to see how many...

9개월 전

문제를 풀었습니다

Convert yards to feet
The goal of this script is to convert a value given in yards to feet.

9개월 전

문제를 풀었습니다

Find the sum of n squares
What is the sum of the squares of the first n integers?

9개월 전

문제를 풀었습니다

Remove the positive integers.
Given array x (of integers), remove all the positive numbers and display ouput as y. Example x=[1 -2 3 -4] , output is y=[-2 -...

9개월 전

문제를 풀었습니다

Getting the absolute index from a matrix
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to get the <http://www.ma...

9개월 전

문제를 풀었습니다

If-then-else
Complete the function below such that if the value of x is in the range 10 to 14, inclusive, the value 18 is assigned to y. Oth...

9개월 전

문제를 풀었습니다

Back to basics 26 - Keywords
Covering some basic topics I haven't seen elsewhere on Cody. Return a cell array of strings of all MATLAB keywords.

9개월 전

문제를 풀었습니다

surface of a spherical planet
you just discovered its circumference, that is the input.

9개월 전

문제를 풀었습니다

Colon operator of two vectors
You are given two vectors of equal length: VecStart, VecEnd Each vector contain a set of integers, where VecEnd(j)>=VecStar...

9개월 전

문제를 풀었습니다

Find Out sum of principal diagonal element of given matrix
Find out sum of principal diagonal element of given matrix If A=[1 0 0; 0 1 0;0 0 1], then answer must be 3.

9개월 전

문제를 풀었습니다

Mode
Find the mode of the vector Assumption: no vector is bimodal Example 1: input=[1 2 3 4 4]; output=4 Example 2: input=[7...

9개월 전

문제를 풀었습니다

Back to basics 19 - character types
Covering some basic topics I haven't seen elsewhere on Cody. Return the number of punctuation characters in the input variabl...

9개월 전